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Supraventricular tachycardia

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https://www.readbyqxmd.com/read/28229202/double-ventricular-response-in-dual-av-nodal-pathways-mimicking-interpolated-premature-beat
#1
J-X Li, Q Chen, J-X Hu, J-H Yu, P Li, K Hong, Q-H Wu, Y-Q Wu, X-S Cheng
Double ventricular response in dual atrioventricular (AV) nodal pathways can result in nonreentrant supraventricular tachycardia. Since this condition was first described in 1979, around 20 cases have been reported. Here, we present the case of a patient with a confirmed diagnosis of double ventricular response in dual AV nodal pathways resembling an interpolated premature beat who underwent successful radiofrequency ablation of the slow pathway.
February 22, 2017: Herz
https://www.readbyqxmd.com/read/28213508/familial-occurrence-of-atrioventricular-nodal-reentrant-tachycardia
#2
Yoav Michowitz, Adi Anis-Heusler, Eyal Reinstein, Oholi Tovia-Brodie, Aharon Glick, Bernard Belhassen
BACKGROUND: Atrioventricular nodal reentrant tachycardia (AVNRT) is considered a sporadic disease occurring in ≈22.5 cases per 10 000 in the general population. We define the prevalence and characteristics of familial AVNRT among patients who underwent radiofrequency ablation. METHODS AND RESULTS: Ablation reports of all patients with familial AVNRT (at least 2 first-degree family members) who underwent radiofrequency ablation in our institution and in another hospital were reviewed...
February 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28185078/-ablation-of-av-nodal-reentrant-tachycardia-via-combined-access-through-the-medial-cubital-and-axillary-vein
#3
Tobias Schreiber, Philipp Attanasio, Frank Heinzel, Burkert Pieske, Wilhelm Haverkamp, Martin Huemer
If a transfemoral approach for catheter ablation procedures of paroxysmal supraventricular tachycardias is impossible, other access sites have to be considered. We present the case of a 78-year-old woman with an inferior vena cava (IVC) filter with symptomatic episodes of an atrioventricular nodal reentrant tachycardia (AVNRT). We used a combined cubital and axillary vein approach. The tachycardia was successfully ablated within the timeframe needed for conventional ablation.
February 9, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28183572/cervical-sympathetic-blockade-for-the-management-of-electrical-storm
#4
Rehan Ali, Jeffrey Ciccone, Victor Tseng
A 75-year-old man presented with dizziness and fatigue secondary to ventricular and supraventricular arrhythmias. He underwent an elective ablation but continued to suffer from ventricular tachycardia with cardiovascular instability despite antiarrhythmic therapy with multiple agents. The patient continued to develop episodes of ventricular tachycardia and an episode of ventricular fibrillation. Electrical storm encompasses a situation of cardiac instability which may present as several episodes of ventricular tachycardia or ventricular fibrillation in a short period...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28125405/av-nodal-reentrant-tachycardia-with-a-2-1-right-bundle-branch-block-missed-as-bidirectional-ventricular-tachycardia-in-the-first-superficial-evaluation
#5
Mohammad Ali Akbarzadeh, Isa Khaheshi, Mehdi Memaryan, Mohammad Parsa Mahjoob, Mohammadreza Naderian
A 95-year old woman was admitted to our emergency unit because of acute abdominal pain. After urgent surgery according to the acute abdomen, she was referred to intensive care unit (ICU) of the emergency unit as she was intubated. It was developed a run of new arrhythmia which was diagnosed by cardiology resident as bidirectional ventricular tachycardia due to beat to beat changing the axis of the QRS. However, a second and more precise evaluation of the abnormal ECG suggested a narrow supraventricular tachycardia, most probably AV nodal reentrant tachycardia with a 2:1 right bundle branch block...
January 25, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28122702/major-publications-in-the-critical-care-pharmacotherapy-literature-in-2015
#6
Adrian Wong, Michael Erdman, Drayton A Hammond, Tara Holt, Jenna M Holzhausen, Michelle Horng, Lori Lynn Huang, Jennifer Jarvis, Bridgette Kram, Shawn Kram, Christine Lesch, Jessica Mercer, Megan A Rech, Ryan Rivosecchi, Brian Stump, Colleen Teevan, Sarah Day
PURPOSE: Recently published practice guidelines and research reports on pharmacotherapy in critical care patient populations are summarized. SUMMARY: The Critical Care Pharmacotherapy Literature Update (CCPLU) Group is composed of over 50 experienced critical care pharmacists who evaluate 31 peer-reviewed journals monthly to identify literature pertaining to pharmacotherapy in critical care populations. Articles are chosen for summarization in a monthly CCPLU Group publication on the basis of applicability and relevance to clinical practice and strength of study design...
January 25, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28114840/flecainide-as-first-line-treatment-for-fetal-supraventricular-tachycardia
#7
Ali Ekiz, Basak Kaya, Helen Bornaun, Deniz Kanber Acar, Muhittin Eftal Avci, Aysegul Bestel, Gokhan Yildirim
OBJECTIVE: The aim of this study was to evaluate utilization, efficacy and side effects of flecainide treatment as first-line agent in patients with fetal supraventricular tachycardia (SVT). METHOD: This retrospective review was conducted on 23 consecutive fetal tachyarrhythmia cases that met inclusion criteria. If the treatment was necessary, flecainide was used as first-line treatment in all cases. RESULT: Among the study group, there were 21 (91...
January 23, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28110301/transcranial-measurement-of-cerebral-microembolic-signals-during-left-sided-catheter-ablation-with-the-use-of-different-approaches-the-potential-microembolic-risk-of-a-transseptal-approach
#8
Jin Iwasawa, Shinsuke Miyazaki, Takamitsu Takagi, Hiroshi Taniguchi, Hiroaki Nakamura, Hitoshi Hachiya, Yoshito Iesaka
AIMS: Subclinical brain damage due to microembolization could occur during catheter ablation procedures. We evaluated the microembolic signals (MESs) detected by transcranial Doppler during ablation of supraventricular tachycardias (SVTs) or idiopathic ventricular arrhythmias (VAs) with the use of different approaches. METHODS AND RESULTS: This study included 36 patients (23 men, 49 ± 21 years) who underwent catheter ablation of SVTs (n = 27) or idiopathic VAs (n = 9)...
January 20, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28109316/adenosine-induced-ventricular-fibrillation-in-a-structurally-normal-heart-a-case-report
#9
Christopher A Rajkumar, Norman Qureshi, Fu Siong Ng, Vasileios F Panoulas, Phang Boon Lim
BACKGROUND: Adenosine is the first-line pharmacotherapy for termination of supraventricular tachycardia through its action on the atrioventricular node. However, pro-arrhythmic effects of adenosine are also recognised, most notably in the presence of pre-excited atrial fibrillation. In this case report, we describe the induction of ventricular fibrillation in a patient with no demonstrable accessory pathway, nor any other structural heart disease. This rare, idiosyncratic reaction has never previously been reported and is of relevance given the widespread and routine use of adenosine in clinical practice...
January 22, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28100978/inflammation-and-rupture-of-a-congenital-pericardial-cyst-manifesting-itself-as-an-acute-chest-pain-syndrome
#10
Robert A Aertker, Benjamin Y C Cheong, Roberto Lufschanowski
We present the case of a 63-year-old woman with a remote history of supraventricular tachycardia and hyperlipidemia, who presented with recurrent episodes of acute-onset chest pain. An electrocardiogram showed no evidence of acute coronary syndrome. A chest radiograph revealed a prominent right-sided heart border. A suspected congenital pericardial cyst was identified on a computed tomographic chest scan, and stranding was noted around the cyst. The patient was treated with nonsteroidal anti-inflammatory drugs, and the pain initially abated...
December 2016: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28099588/dobutamine-stress-echocardiography-safety-in-chagas-disease-patients
#11
Daniela do Carmo Rassi, Marcelo Luiz Campos Vieira, Rogerio Gomes Furtado, Fabio de Paula Turco, Luciano Henrique Melato, Viviane Tiemi Hotta, Colandy Godoy de Oliveira Nunes, Luiz Rassi, Salvador Rassi
Background: A few decades ago, patients with Chagas disease were predominantly rural workers, with a low risk profile for obstructive coronary artery disease (CAD). As urbanization has increased, they became exposed to the same risk factors for CAD of uninfected individuals. Dobutamine stress echocardiography (DSE) has proven to be an important tool in CAD diagnosis. Despite being a potentially arrhythmogenic method, it is safe for coronary patients without Chagas disease. For Chagas disease patients, however, the indication of DSE in clinical practice is uncertain, because of the arrhythmogenic potential of that heart disease...
January 16, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28079764/tako-tsubo-cardiomyopathy-complicated-by-paroxysmal-supraventricular-tachycardia
#12
Natale Daniele Brunetti, Riccardo Ieva, Michele Correale, Luisa De Gennaro, Francesco Santoro, Matteo Di Biase
We report a case of paroxysmal supraventricular tachycardia complicating Tako-Tsubo cardiomyopathy. We hypothesize that increased adrenergic tone supposedly underlying transient apical ballooning syndrome may facilitate the onset of paroxysmal supraventricular tachycardias in predisposed patients.
January 11, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28078383/effects-of-triple-cryoenergy-application-on-lesion-formation-and-coronary-arteries-in-the-developing-myocardium
#13
Ulrich Krause, Filipe D Abreu da Cunha, David Backhoff, Claudius Jacobshagen, Sophia Klehs, Heike E Schneider, Thomas Paul
To improve long-term outcome after cryoablation of substrates of supraventricular tachycardia, application of two and three consecutive freeze-thaw cycles has been performed. The effect of triple freeze-thaw cycles on lesion formation within developing myocardium and coronary arteries, however, has not been studied yet. In eight piglets (mean age 15 weeks, weight 15-20 kg), 30 cryolesions (three consecutive freeze-thaw cycles) were applied to the atrial aspect of both AV valve annuli (n = 18) as well as to ventricular myocardium below the valves (n = 12)...
January 11, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28073682/study-design-for-control-of-heart-rate-in-infant-and-child-tachyarrhythmia-with-heart-failure-using-landiolol-heartful-a-prospective-multicenter-uncontrolled-clinical-trial
#14
Naokata Sumitomo, Hitoshi Horigome, Masaru Miura, Hiroshi Ono, Hideaki Ueda, Kiyohiro Takigiku, Jun Yoshimoto, Naoki Ohashi, Tsugutoshi Suzuki, Koichi Sagawa, Hiroya Ushinohama, Kazuhiro Takahashi, Aya Miyazaki, Heima Sakaguchi, Mari Iwamoto, Motoki Takamuro, Chiho Tokunaga, Tetsuji Nagano
BACKGROUND: Persistent tachycardia in pediatric patients after congenital heart surgery further deteriorates their hemodynamic condition, and may become fatal. Therefore, immediate control of the tachycardia is mandatory in these patients. For this purpose, quick-acting, short-acting, titratable intravenous agents are required. However, there are no agents with such characteristics among the drugs approved for control of pediatric arrhythmias in Japan, and thus novel and effective medications for these patients are awaited...
January 7, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28063854/hospital-admissions-for-chest-pain-associated-with-cocaine-use-in-the-united-states
#15
Vikas Singh, Alex P Rodriguez, Badal Thakkar, Ghanshyambhai T Savani, Nileshkumar J Patel, Apurva O Badheka, Mauricio G Cohen, Carlos E Alfonso, Raul D Mitrani, Juan Viles-Gonzalez, Jeffrey J Goldberger
BACKGROUND: The outcomes related to chest pain associated with cocaine use and its burden on the healthcare system are not well studied. METHODS: Data were collected from the Nationwide Inpatient Sample (2001-2012). Subjects were identified by using the International Classification of Diseases, Ninth Revision, Clinical Modification codes. Primary outcome was a composite of mortality, myocardial infarction, stroke, and cardiac arrest. RESULTS: We identified 363,143 admissions for cocaine-induced chest pain...
January 4, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28058956/neuromuscular-blockade-and-inspiratory-breath-hold-during-stereotactic-body-radiation-therapy-for-treatment-of-heart-base-tumors-in-four-dogs
#16
Krista L Kelsey, Lyndsay N Kubicek, Nicholas J Bacon, Terry Torres, Sheilah A Robertson
CASE DESCRIPTION 4 dogs were examined because of pleural effusion and ventricular tachycardia, coughing and supraventricular tachycardia, appendicular osteosarcoma, and syncopal episodes. CLINICAL FINDINGS In all 4 dogs, a heart base tumor was identified by means of thoracic CT. TREATMENT AND OUTCOME In all 4 dogs, the heart base tumors were treated by means of stereotactic body radiation therapy. Dogs were anesthetized, and neuromuscular blockade was achieved with atracurium or vecuronium. A circle rebreathing system with 15 m (50 feet) of anesthetic tubing coursing through the vault wall was used to connect the patient to the anesthesia machine, which was located in the control room...
January 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28045841/a-novel-method-of-intraosseous-infusion-of-adenosine-for-the-treatment-of-supraventricular-tachycardia-in-an-infant
#17
Krista Helleman, Amrit Kirpalani, Rodrick Lim
Supraventricular tachycardia is a common arrhythmia faced by emergency physicians in the pediatric population. In most cases, antecubital intravenous access can be established, and adenosine can be administered in a rapid and timely fashion. The role and administration of intraosseous adenosine are poorly established. We describe a case where the administration of adenosine was successful via a mixed method administration.
January 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28045674/play-the-map-ablation-of-a-macro-reentrant-atrial-tachycardia-in-a-patient-after-senning-repair-for-transposition-of-the-great-arteries
#18
Emre Yalcinkaya, Firat Duru, Matthias Greutmann, Thomas Wolber
A 50-year-old male patient who had undergone Senning repair for transposition of the great arteries at the age of 7 years was referred to our electrophysiology lab with recurrent supraventricular tachycardias. Fast anatomical mapping of the systemic venous atrium was performed with the CARTO electroanatomical mapping system. Propagation mapping with animated dynamic maps facilitates the understanding of the underlying mechanism and provides visualization of reentrant circuits of tachycardias in cardiac chambers with native barriers and surgical scars...
2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28039126/are-olympic-athletes-free-from-cardiovascular-diseases-systematic-investigation-in-2352-participants-from-athens-2004-to-sochi-2014
#19
Antonio Pelliccia, Paolo Emilio Adami, Filippo Quattrini, Maria Rosaria Squeo, Stefano Caselli, Luisa Verdile, Viviana Maestrini, Fernando Di Paolo, Cataldo Pisicchio, Roberto Ciardo, Antonio Spataro
CONTEXT: Olympic athletes represent model of success in our society, by enduring strenuous conditioning programmes and achieving astonishing performances. They also raise scientific and clinical interest, with regard to medical care and prevalence of cardiovascular (CV) abnormalities. OBJECTIVE: Our aim was to assess the prevalence and type of CV abnormalities in this selected athlete's cohort. DESIGN, SETTING AND PARTICIPANTS: 2352 Olympic athletes, mean age 25±6, 64% men, competing in 31 summer or 15 winter sports, were examined with history, physical examination, 12-lead and exercise ECG and echocardiography...
February 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28034941/yonder-kidney-transplant-supraventricular-tachycardia-contraception-and-dog-walking
#20
Ahmed Rashid
No abstract text is available yet for this article.
January 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
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